Error in TightVNC Viewer: No security types supported. Server sent security types, but we do not support any of their

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Symptoms

While trying to access Mac Client via TightVNC in SCCM Console the error occurs:

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Resolution

On the Mac do the following:

  1. Open Sharing preferences if it isn’t already open (choose Apple menu > System Preferences, then click Sharing), then select the Remote Management checkbox.

  2. Do one of the following:

    • Select “All users” to let all users on your network connect to your Mac using Apple Remote Desktop.

    • Select “Only these users,” click Add , then select the users who can share your Mac using Apple Remote Desktop.
  3. Click Options, then select the tasks remote users are permitted to perform.

  4. Click Computer Settings, then select options for your Mac. If people connect using a VNC viewer, you need to set a password.

If there were active VNC sessions on the Mac, you may need to restart it to apply the changes.

For more information, please refer to: OS X Yosemite: Allow access using Remote Desktop

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